Comtech EF Data CDM-Qx, Инструкция по установке и эксплуатации

Страница: 207 / 224

CDM-Qx Satellite Modem Revision 6
Remote Control MN/CDMQx.IOM
Parameter
Type
Command
(Instruction
Code and
Qualifier)
Arguments for
Command or
Response to
Query
Description of arguments
Response to
Command
(Target to
Controller)
Query
(Instruction
Code and
Qualifier)
Response to query
(Target to
Controller)
N/A BRR? BRR=a.bEc BERT Result in
average BER N/A 5 bytes Query only
Returns the value of the average BER in the form a.b x 10
-c
. First 3
bytes are the value. Last 2 bytes are the exponent. Returns 99999 if
there’s no sync in BERT monitor. Returns 99.99 if sync loss has
occurred.
(see description of
arguments)
-3
) Example: BER=4.8E3 (BER = 4.8 x 10
C.5.9 Spectrum Analyzer Commands
Parameter
Type
Command
(Instruction
Code and
qualifier)
Arguments for
Command or
Response to
Query
Description of arguments
Response to
Command
(Target to
Controller)
Query
(Instruction
Code and
Qualifier)
Response to query
(Target to
Controller)
Spectrum Analyzer
Mode (applies to Rx
card) SPM= 1 byte Command or Query SPM= SPM? SPM=x
0=Off SPM? (see description of
arguments)
1=On SPM*
SPM#
SPM$
SPM^
SPM@
Spectrum Analyzer
Center Frequency SPF= 9 bytes Command or Query SPF= SPF? SPF=xxxx.xxxx
Tx Frequency, 950 to 1950 MHz (L-Band units) SPF? (see description of
arguments)
(applies to Rx card) 50 to 90/100 and 180 MHz (70/140 MHz units) SPF*
Resolution = 100 Hz SPF#
SPF$
Example: SPF=0050.9872 SPF^
SPF@
Spectrum Analyzer
Span SPS= 1 byte Command or Query. SPS= SPS? SPS=x
0 = 97.65625 kHz SPS? (see description of
arguments)
(applies to Rx card) 1 = 195.3125 kHz SPS*
2 = 390.625 kHz SPS#
3 = 781.25 kHz SPS$
4 = 1.5625 MHz SPS^
5 = 3.125 MHz SPS@
6 = 6.25 MHz
7 = 12.5 MHz
C-41